Buy Vidalista 40 is a medication that is used to treat erectile dysfunction (ED), also known as impotence, in men. It contains the active ingredient Tadalafil, which is a type of phosphodiesterase type 5 (PDE5) inhibitor.
When a man is sexually stimulated, the blood vessels in the penis relax and widen, allowing more blood to flow into the penis and causing an erection. In men with ED, however, the blood vessels in the penis do not relax and widen as they should, making it difficult to achieve and maintain an erection.